Lot 1640. Diamond 'Flower' brooch. Estimate 2,000,000 — 2,400,000 HKD. Lot sold 2,420,000 HKD. Photo: Sotheby's 2011.

Of stylised floral design, the two flowers set 'en tremblant' with marquise- and pear-shaped diamonds, the leaves each set with a marquise-shaped diamond, the diamonds together weighing 17.57 carats, the flower centres set with brilliant-cut diamonds extending to the stems, the diamonds together weighing approximately 5.30 carats, mounted in platinum. 

Accompanied by fourteen GIA reports stating that the diamonds ranging from 0.35 to 2.60 carats are D colour, Internally Flawless clarity.

Sotheby's. Jewels and Jadeite, Hong Kong, 06 Apr 2011